This is designed to track study progress!
This was last updated on September 03, 2025.
In total, 90 participants completed the 12-week training intervention and all pre/post-study visits.
The following plots show RPE for MICT and HIIT participants across
workouts.
Participant record IDs are labeled below if they completed <20 total workouts (graph 1) and/or <20 quality workouts (graph 2). Note, these participants w/ less than 20 workouts total (graph 1) were likely to be lost to follow-up or withdrew from the study meaning they also did not return for endpoint visits.
Only 7 participants (3 HIIT – HR too low; 4 MICT – HR too high) did not adhere to target HR zone in the majority of workouts.
| Group | 20_or_more_wkts | 20_or_more_wkts_in_zone | n |
|---|---|---|---|
| HIIT | yes | no | 3 |
| HIIT | yes | yes | 33 |
| MICT | yes | no | 4 |
| MICT | yes | yes | 29 |
| Group | Status | BL VO2? | BL CTRU? | EP VO2? | EP CTRU? | n |
|---|---|---|---|---|---|---|
| HIIT | Completed | TRUE | TRUE | TRUE | TRUE | 36 |
| MICT | Completed | TRUE | TRUE | TRUE | TRUE | 32 |
| Control | Completed | TRUE | TRUE | TRUE | TRUE | 20 |
| MICT | Withdrawn (after training) | TRUE | TRUE | FALSE | FALSE | 5 |
| Control | Withdrawn (before training) | TRUE | FALSE | FALSE | FALSE | 3 |
| HIIT | Withdrawn (before training) | TRUE | FALSE | FALSE | FALSE | 3 |
| Control | Lost to Follow-Up (after training) | TRUE | TRUE | FALSE | FALSE | 2 |
| MICT | Lost to Follow-Up (after training) | TRUE | TRUE | FALSE | FALSE | 2 |
| Control | Withdrawn (before training) | TRUE | TRUE | FALSE | FALSE | 1 |
| Control | Completed | TRUE | TRUE | TRUE | FALSE | 1 |
| HIIT | Screen failed | TRUE | FALSE | FALSE | FALSE | 1 |
| HIIT | Withdrawn (after training) | TRUE | TRUE | FALSE | FALSE | 1 |
| HIIT | Lost to Follow-Up (after training) | TRUE | TRUE | FALSE | FALSE | 1 |
| MICT | Completed | TRUE | TRUE | TRUE | FALSE | 1 |
Note: the following tables do not include crossover participants. There were 8 crossover participants and therefore 8 more VO2 max tests (that occurred after the crossover). These are not accounted for here.
| Group | BL VO2? | n |
|---|---|---|
| HIIT | TRUE | 42 |
| MICT | TRUE | 40 |
| Control | TRUE | 27 |
| Group | EP VO2? | n |
|---|---|---|
| HIIT | TRUE | 36 |
| MICT | TRUE | 33 |
| Control | TRUE | 21 |
| MICT | FALSE | 7 |
| Control | FALSE | 6 |
| HIIT | FALSE | 6 |
| Group | BL CTRU? | n |
|---|---|---|
| MICT | TRUE | 40 |
| HIIT | TRUE | 38 |
| Control | TRUE | 24 |
| HIIT | FALSE | 4 |
| Control | FALSE | 3 |
| Group | EP CTRU? | n |
|---|---|---|
| HIIT | TRUE | 36 |
| MICT | TRUE | 32 |
| Control | TRUE | 20 |
| MICT | FALSE | 8 |
| Control | FALSE | 7 |
| HIIT | FALSE | 6 |
Note: average counts exclude the first month and Dec 2023 for winter closure which had lower rates.
| Record ID | Status | Group | Total Wkts | Quality Wkts | RPE (mean) | RPE (sd) | EP surveys? | EP_Vo2? | EP_CTRU? | bl_muscle? | bl_adipose? | ep_muscle? | ep_adipose? |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 132 | Completed | HIIT | 48 | 48 | 17.0 | 0.7 | YES | YES | YES | 0 | 1 | 0 | 1 |
| 133 | Completed | MICT | 54 | 39 | 11.6 | 0.6 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 136 | Completed | MICT | 38 | 38 | 9.0 | 0.2 | YES | YES | YES | ||||
| 1116 | Completed (crossover) | MICT | 40 | 38 | 10.0 | 0.4 | YES | YES | YES | ||||
| 90 | Completed | HIIT | 39 | 36 | 15.6 | 1.4 | YES | YES | YES | ||||
| 75 | Completed | HIIT | 36 | 35 | 14.6 | 1.2 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 80 | Completed | HIIT | 34 | 35 | 14.2 | 1.5 | YES | YES | YES | ||||
| 105 | Completed | HIIT | 36 | 35 | 16.1 | 1.2 | YES | YES | YES | ||||
| 115 | Completed | MICT | 35 | 35 | 7.5 | 1.1 | YES | YES | YES | ||||
| 117 | Completed | MICT | 35 | 35 | 8.7 | 1.2 | YES | YES | YES | ||||
| 123 | Completed | MICT | 36 | 35 | 13.3 | 1.1 | YES | YES | YES | ||||
| 150 | Completed | HIIT | 37 | 35 | 17.1 | 2.4 | YES | YES | YES | ||||
| 155 | Completed | HIIT | 35 | 35 | 18.7 | 1.0 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 18 | Completed | MICT | 36 | 34 | 10.4 | 1.6 | YES | YES | YES | ||||
| 19 | Completed | HIIT | 36 | 34 | 19.4 | 0.7 | YES | YES | YES | ||||
| 37 | Completed | MICT | 35 | 34 | 11.0 | 0.9 | YES | YES | YES | ||||
| 50 | Completed | HIIT | 36 | 34 | 16.7 | 1.7 | YES | YES | YES | ||||
| 72 | Completed | HIIT | 34 | 34 | 15.3 | 1.1 | YES | YES | YES | ||||
| 77 | Completed | MICT | 34 | 34 | 13.0 | 1.1 | YES | YES | YES | ||||
| 137 | Completed | HIIT | 36 | 34 | 14.0 | 0.8 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 142 | Completed | MICT | 36 | 34 | 9.5 | 1.5 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 1091 | Completed (crossover) | HIIT | 38 | 34 | 17.1 | 0.5 | YES | YES | |||||
| 5 | Completed | MICT | 33 | 33 | 11.8 | 0.9 | YES | YES | YES | ||||
| 6 | Completed | HIIT | 35 | 33 | 17.7 | 1.0 | YES | YES | YES | ||||
| 46 | Completed | MICT | 36 | 33 | 11.5 | 0.8 | YES | YES | YES | ||||
| 51 | Completed | MICT | 34 | 33 | 12.4 | 0.6 | YES | YES | YES | ||||
| 71 | Completed | HIIT | 36 | 33 | 13.9 | 0.8 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 84 | Completed | MICT | 33 | 33 | 12.0 | 0.3 | YES | YES | YES | ||||
| 100 | Completed | MICT | 35 | 33 | 10.7 | 0.7 | YES | YES | |||||
| 124 | Completed | HIIT | 34 | 33 | 17.5 | 1.5 | YES | YES | YES | ||||
| 30 | Completed | MICT | 36 | 32 | 9.4 | 0.7 | YES | YES | YES | ||||
| 144 | Completed | HIIT | 37 | 32 | 13.7 | 1.0 | YES | YES | YES | ||||
| 1103 | Completed (crossover) | HIIT | 35 | 32 | 15.1 | 1.2 | YES | YES | YES | ||||
| 1112 | Completed (crossover) | HIIT | 40 | 32 | 14.5 | 1.4 | YES | YES | YES | ||||
| 36 | Completed | HIIT | 33 | 31 | 15.1 | 1.0 | YES | YES | YES | ||||
| 92 | Completed | HIIT | 32 | 31 | 14.5 | 0.6 | YES | YES | YES | ||||
| 94 | Completed | HIIT | 35 | 31 | 14.9 | 1.0 | YES | YES | YES | ||||
| 135 | Completed | HIIT | 33 | 31 | 16.3 | 1.3 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 143 | Completed | MICT | 33 | 31 | 13.6 | 0.5 | YES | YES | YES | ||||
| 157 | Completed | HIIT | 32 | 31 | 17.5 | 1.3 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 1070 | Completed (crossover) | MICT | 32 | 31 | 11.6 | 0.9 | YES | YES | |||||
| 7 | Completed | MICT | 33 | 30 | 11.8 | 0.9 | YES | YES | YES | ||||
| 89 | Completed | MICT | 30 | 30 | 10.3 | 1.4 | YES | YES | YES | ||||
| 110 | Completed | HIIT | 35 | 30 | 16.1 | 1.5 | YES | YES | YES | ||||
| 45 | Completed | MICT | 36 | 29 | 9.9 | 1.3 | YES | YES | YES | ||||
| 97 | Completed | HIIT | 30 | 29 | 15.1 | 0.8 | YES | YES | YES | ||||
| 147 | Completed | MICT | 35 | 29 | 11.5 | 1.2 | YES | YES | YES | ||||
| 154 | Completed | HIIT | 32 | 29 | 12.4 | 1.7 | YES | YES | YES | ||||
| 158 | Completed | MICT | 38 | 29 | 9.3 | 0.7 | YES | YES | |||||
| 10 | Completed | HIIT | 29 | 28 | 15.9 | 0.8 | YES | YES | |||||
| 12 | Completed | MICT | 39 | 28 | 11.6 | 0.8 | YES | YES | YES | ||||
| 64 | Completed | HIIT | 32 | 28 | 13.6 | 1.0 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 109 | Completed | HIIT | 31 | 28 | 15.7 | 0.4 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 127 | Completed | HIIT | 36 | 27 | 13.8 | 0.9 | YES | YES | YES | ||||
| 149 | Completed | MICT | 34 | 27 | 8.2 | 1.4 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 1076 | Completed (crossover) | MICT | 32 | 27 | 6.0 | 0.2 | YES | YES | YES | 1 | 1 | 0 | 0 |
| 114 | Withdrawn (after training) | MICT | 35 | 26 | 11.6 | 1.3 | NO | NO | |||||
| 21 | Completed | MICT | 41 | 26 | 10.2 | 1.8 | YES | YES | YES | ||||
| 121 | Withdrawn (after training) | HIIT | 27 | 25 | 13.6 | 1.7 | NO | NO | |||||
| 14 | Completed | HIIT | 31 | 25 | 13.7 | 1.7 | YES | YES | YES | ||||
| 47 | Completed | HIIT | 30 | 24 | 17.5 | 1.2 | YES | YES | YES | ||||
| 60 | Completed | MICT | 32 | 24 | 11.0 | 1.4 | YES | YES | YES | ||||
| 86 | Completed | MICT | 30 | 23 | 7.1 | 0.9 | YES | YES | NO | 1 | 1 | 1 | 1 |
| 131 | Completed | HIIT | 26 | 23 | 14.2 | 1.5 | YES | YES | YES | 0 | 1 | 0 | 1 |
| 145 | Completed | MICT | 31 | 22 | 11.0 | 1.0 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 20 | Completed | HIIT | 23 | 21 | 12.6 | 0.5 | YES | YES | YES | ||||
| 87 | Completed | MICT | 25 | 21 | 8.5 | 1.7 | YES | YES | |||||
| 95 | Completed | HIIT | 22 | 21 | 12.9 | 1.3 | YES | YES | YES | ||||
| 129 | Completed | HIIT | 35 | 21 | 18.3 | 0.7 | YES | YES | YES | ||||
| 1125 | Completed (crossover) | HIIT | 30 | 21 | 13.8 | 1.2 | YES | YES | YES | ||||
| 3 | Completed | MICT | 21 | 20 | 11.8 | 0.7 | YES | YES | YES | ||||
| 40 | Completed | MICT | 26 | 17 | 9.5 | 1.7 | YES | YES | |||||
| 162 | Completed | HIIT | 27 | 17 | 13.7 | 2.8 | YES | YES | YES | 1 | 1 | 0 | 0 |
| 38 | Completed | MICT | 21 | 14 | 9.9 | 0.8 | YES | YES | |||||
| 1139 | Completed (crossover) | MICT | 37 | 12 | 11.8 | 1.4 | YES | YES | YES | ||||
| 4 | Completed | HIIT | 40 | 11 | 16.5 | 3.5 | YES | YES | YES | ||||
| 43 | Withdrawn (after training) | MICT | 13 | 10 | 11.8 | 0.9 | NO | NO | |||||
| 81 | Withdrawn (after training) | MICT | 10 | 10 | 9.1 | 0.6 | NO | NO | |||||
| 141 | Completed | HIIT | 30 | 10 | 8.7 | 1.8 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 156 | Withdrawn (after training) | MICT | 9 | 6 | 11.5 | 2.1 | NO | NO | |||||
| 69 | Lost to Follow-Up (after training) | MICT | 15 | 5 | 8.7 | 0.6 | NO | NO | |||||
| 120 | Withdrawn (after training) | MICT | 3 | 3 | 8.0 | 0.0 | NO | NO | 1 | 1 | 0 | 0 | |
| 140 | Lost to Follow-Up (after training) | MICT | 3 | 3 | 11.0 | 0.0 | NO | NO | |||||
| 148 | Completed | MICT | 22 | 3 | 13.0 | 2.3 | YES | YES | YES | 1 | 1 | 1 | 1 |
| 39 | Screen failed | HIIT | 0 | 0 | NA | NA | NA | NO | NO | ||||
| 11 | Withdrawn (before training) | Control | 0 | 0 | NA | NA | NA | NO | NO | ||||
| 28 | Withdrawn (before training) | HIIT | 0 | 0 | NA | NA | NA | NO | NO | ||||
| 48 | Withdrawn (before training) | HIIT | 0 | 0 | NA | NA | NA | NO | NO | ||||
| 83 | Withdrawn (before training) | Control | 0 | 0 | NA | NA | NA | NO | NO | ||||
| 96 | Withdrawn (before training) | Control | 0 | 0 | NA | NA | NA | NO | NO | ||||
| 134 | Withdrawn (before training) | Control | 0 | 0 | NA | NA | NA | NO | NO | ||||
| 138 | Withdrawn (before training) | HIIT | 0 | 0 | NA | NA | NO | NO | |||||
| 22 | Lost to Follow-Up (after training) | Control | 0 | 0 | NA | NA | NO | NO | |||||
| 23 | Lost to Follow-Up (after training) | Control | 0 | 0 | NA | NA | NO | NO | |||||
| 113 | Lost to Follow-Up (after training) | HIIT | 6 | 0 | 13.3 | 0.8 | NO | NO | |||||
| 8 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 26 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 29 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 56 | Completed | Control | 0 | 0 | NA | NA | YES | YES | |||||
| 70 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 73 | Completed | MICT | 36 | 0 | 13.8 | 2.1 | YES | YES | YES | ||||
| 76 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 88 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 91 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 98 | Completed | Control | 0 | 0 | NA | NA | YES | YES | |||||
| 101 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 102 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 103 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 107 | Completed | Control | 0 | 0 | NA | NA | YES | YES | NO | ||||
| 112 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 116 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 119 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 125 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 126 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 128 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 139 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES | ||||
| 146 | Completed | Control | 0 | 0 | NA | NA | YES | YES | YES |
Thanks everybody for your hard work!